81948438

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 219248640

約数和(自身を除く): 137300202

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 31, 33, 39, 62, 66, 78, 79, 93, 99, 117, 143, 158, 169, 186, 198, 234, 237, 279, 286, 338, 341, 403, 429, 474, 507, 558, 682, 711, 806, 858, 869, 1014, 1023, 1027, 1209, 1287, 1422, 1521, 1738, 1859, 2046, 2054, 2418, 2449, 2574, 2607, 3042, 3069, 3081, 3627, 3718, 4433, 4898, 5214, 5239, 5577, 6138, 6162, 7254, 7347, 7821, 8866, 9243, 10478, 11154, 11297, 13299, 13351, 14694, 15642, 15717, 16731, 18486, 22041, 22594, 26598, 26702, 26939, 31434, 31837, 33462, 33891, 39897, 40053, 44082, 47151, 53878, 57629, 63674, 67782, 79794, 80106, 80817, 94302, 95511, 101673, 115258, 120159, 146861, 161634, 172887, 191022, 203346, 240318, 242451, 286533, 293722, 345774, 350207, 413881, 440583, 484902, 518661, 573066, 700414, 827762, 881166, 1037322, 1050621, 1241643, 1321749, 2101242, 2483286, 2643498, 3151863, 3724929, 4552691, 6303726, 7449858, 9105382, 13658073, 27316146, 40974219, 81948438]

約数ペア:

[(1, 81948438), (2, 40974219), (3, 27316146), (6, 13658073), (9, 9105382), (11, 7449858), (13, 6303726), (18, 4552691), (22, 3724929), (26, 3151863), (31, 2643498), (33, 2483286), (39, 2101242), (62, 1321749), (66, 1241643), (78, 1050621), (79, 1037322), (93, 881166), (99, 827762), (117, 700414), (143, 573066), (158, 518661), (169, 484902), (186, 440583), (198, 413881), (234, 350207), (237, 345774), (279, 293722), (286, 286533), (338, 242451), (341, 240318), (403, 203346), (429, 191022), (474, 172887), (507, 161634), (558, 146861), (682, 120159), (711, 115258), (806, 101673), (858, 95511), (869, 94302), (1014, 80817), (1023, 80106), (1027, 79794), (1209, 67782), (1287, 63674), (1422, 57629), (1521, 53878), (1738, 47151), (1859, 44082), (2046, 40053), (2054, 39897), (2418, 33891), (2449, 33462), (2574, 31837), (2607, 31434), (3042, 26939), (3069, 26702), (3081, 26598), (3627, 22594), (3718, 22041), (4433, 18486), (4898, 16731), (5214, 15717), (5239, 15642), (5577, 14694), (6138, 13351), (6162, 13299), (7254, 11297), (7347, 11154), (7821, 10478), (8866, 9243)]